Update all the code to pass the updated `use_self` lint.

One struct required a temporary `#[allow(dead_code)]` annotation due to
a bug in the Rust compiler: https://github.com/rust-lang/rust/issues/63151.

1 files changed, 2 insertions, 2 deletions

diff --git a/clippy_dev/src/fmt.rs b/clippy_dev/src/fmt.rs
index 5ccdbec1428..e23673f275d 100644
--- a/clippy_dev/src/fmt.rs
+++ b/clippy_dev/src/fmt.rs
@@ -15,13 +15,13 @@ pub enum CliError {
 
 impl From<io::Error> for CliError {
     fn from(error: io::Error) -> Self {
-        CliError::IoError(error)
+        Self::IoError(error)
     }
 }
 
 impl From<walkdir::Error> for CliError {
     fn from(error: walkdir::Error) -> Self {
-        CliError::WalkDirError(error)
+        Self::WalkDirError(error)
     }
 }